diff options
Diffstat (limited to 'sys/dev/random/probe.c')
-rw-r--r-- | sys/dev/random/probe.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/sys/dev/random/probe.c b/sys/dev/random/probe.c deleted file mode 100644 index 7039b92..0000000 --- a/sys/dev/random/probe.c +++ /dev/null @@ -1,62 +0,0 @@ -/*- - * Copyright (c) 2004 Mark R V Murray - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer - * in this position and unchanged. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#if defined(__amd64__) || defined(__i386__) -#include "opt_cpu.h" -#endif - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/kernel.h> -#include <sys/selinfo.h> - -#include <dev/random/random_adaptors.h> -#include <dev/random/randomdev.h> - -void -random_ident_hardware(struct random_adaptor **adaptor) -{ - struct random_adaptor *tmp; - int enable; - - /* Set default to software (yarrow) */ - *adaptor = random_adaptor_get("yarrow"); - - /* Then go looking for hardware */ - enable = 1; - TUNABLE_INT_FETCH("hw.nehemiah_rng_enable", &enable); - if (enable && (tmp = random_adaptor_get("nehemiah"))) - *adaptor = tmp; - - enable = 1; - TUNABLE_INT_FETCH("hw.ivy_rng_enable", &enable); - if (enable && (tmp = random_adaptor_get("rdrand"))) - *adaptor = tmp; -} |